Results 61 to 70 of about 1,874 (205)

EXTENSION D’UNE ESPÈCE ENVAHISSANTE : SUIVI DE LA POPULATION D’ÉCREVISSES SIGNAL (PACIFASTACUS LENIUSCULUS DANA) AU LÉMAN À L’OUEST DE THONON-LES-BAINS, ENTRE 2001 ET 2005 – IMPACT DE LA PÊCHE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
La population d’écrevisses signal arrivées en 1976 dans le Léman continue son expansion le long de la zone littorale à l’ouest de Thonon-les-Bains. En 2001, la population s’étendait jusqu’à Séchex avec une forte densité (82 indiv./nasse) de Thonon à ...
DUBOIS J.-P., GILLET C., MICHOUD M.
doaj   +1 more source

Unraveling multipredator impacts in salmon‐bearing rivers using quantitative DNA metabarcoding

open access: yesEcological Applications, Volume 35, Issue 8, December 2025.
Abstract Ecological impacts of invasive species are mounting as their numbers and geographic extent continue to increase. Across extensive parts of their range, Pacific salmon (Oncorhynchus spp.) smolts face an expanding gauntlet of nonnative predators during their seaward migration.
John J. Winkowski   +2 more
wiley   +1 more source

A STUDY ON THE POSSIBLE EFFECT OF TWO CRAYFISH SPECIES ON EPILITHIC ALGAE IN A MOUNTAIN STREAM FROM CENTRAL SPAIN

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The effects on epilithic algae of increasing densities of two crayfish species, Austropotamobius italicus and Pacifastacus leniusculus, the latter recently introduced in Spain, have been monitored using riverine enclosures, within a large experimental ...
ARCE J. A.   +3 more
doaj   +1 more source

Biological invasions: a global assessment of geographic distributions, long‐term trends, and data gaps

open access: yesBiological Reviews, Volume 100, Issue 6, Page 2542-2583, December 2025.
ABSTRACT Biological invasions are one of the major drivers of biodiversity decline and have been shown to have far‐reaching consequences for society and the economy. Preventing the introduction and spread of alien species represents the most effective solution to reducing their impacts on nature and human well‐being.
Hanno Seebens   +64 more
wiley   +1 more source

DISTRIBUTION OF INDIGENOUS AND NON-INDIGENOUS CRAYFISH POPULATIONS IN THE POITOU-CHARENTES REGION (FRANCE): EVOLUTION OVER THE PAST 25 YEARS

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
Subsequent surveys carried out from 1978 to 2003 demonstrated a high disappearance of Austropotamobius pallipes populations from the region and the alarming spread of non-indigenous species like Procambarus clarkii and Pacifastacus leniusculus ...
BRAMARD M.   +9 more
doaj   +1 more source

The effect of water temperature on the number of moults and growth of juvenile signal crayfish Pacifastacus leniusculus Dana

open access: yesCzech Journal of Animal Science, 2009
The growth rate, frequency of moulting, and intermoult intervals of juvenile Pacifastacus leniusculus were studied under experimental conditions over a period of 3 months.
P. Kozák   +5 more
doaj   +1 more source

Environmental DNA as a tool for hydropower impact assessments: current status, special considerations, and future integration

open access: yesBiological Reviews, Volume 100, Issue 6, Page 2584-2607, December 2025.
ABSTRACT Globally there is an urgent need to find sustainable solutions to balance energy production with the protection of vulnerable species and conservation of biodiversity. This is particularly critical for freshwater ecosystems, habitats, and species that may be impacted by hydropower development and operations needed to meet energy grid demands ...
Kristine N. Moody   +6 more
wiley   +1 more source

The current status of Pacifastacus leniusculus (Dana, 1852) and their effect on aquatic macroinvertebrate communities in Hungarian watercourses

open access: yes, 2022
The freshwater crayfish Pacifastacus leniusculus is among the most widespread invasive crayfish species in Europe. Pacifastacus leniusculus invaded Hungary around 1998 and here we investigated the recent expansion of this species and its impact on other ...
Roessink, Ivo   +8 more
core   +1 more source

FRESHWATER CRAYFISH IN SOUTH TYROL (ITALY): DISTRIBUTION AND PROTECTION MEASURES OF ENDANGERED AUSTROPOTAMOBIUS PALLIPE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2002
Freshwater crayfish are among the most endangered animals in Europe. Information on freshwater crayfish in the Italian province of South Tyrol was insufficient until the recent studies on their historical and present distribution, which showed the ...
FÜREDER L.   +3 more
doaj   +1 more source

Design and Validation of a Single‐Species Environmental DNA qPCR Assay for the Detection of the Invasive Chinese Mitten Crab Eriocheir sinensis

open access: yesEnvironmental DNA, Volume 7, Issue 5, September–October 2025.
The Chinese mitten crab (Eriocheir sinensis) is considered amongst the most damaging invasive species globally; however, the UK distribution of the species is not well known, with current management protocols reliant on reports of individual sightings. In this study, the first probe‐based, species‐specific qPCR assay was developed for the detection of ...
Lauren S. J. Cook   +6 more
wiley   +1 more source

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